- Reptiles are vertebrates
- They have backbones.
- They are air-breathing, cold-blooded.
- They have scaly bodies.
- Most reptile species are egg-laying.
- Although lizards, snakes and worm-lizards give birth to live young.
- All species fertilize eggs internally.
- All species of reptiles have at least one lung.
The major groups of living reptiles are:
The Turtles order Testudines
Tuatara order Rhynchocephalia [Sphenodontida]
Lizards and snakes order Squamata
Crocodiles order Crocodylia, or Crocodilia
Average Life Span of Reptiles in Captivity
|Old World chameleons||3 to 8 years|
|Leopard tortoise||50+ years|
|Leopard gecko||20+ years|
|King snake||10 to 15 years|
|Green iguana||5 to 15 years|
|Green anole||4 to 8 years|
|Eastern box turtle||25 to 50 years|
|Corn snake||10 to 15 years|
|Boa constrictor||15 to 25 years|
|Bearded dragon||5 to 10 years|
|Ball python||15 to 20 years|